与实验测量结果相比，线性方法不能反映翘曲形态而非线性大变形仿真能够反映出这种翘曲。
With comparison to the experimental measurement results, it is found that the linear method is not able to capture the warpage behavior while nonlinear large deformation simulation can.
等效板厚法可用于初步设计时选型、初算，而非线性接触方法可用于最终计算及指导模型试验。
The equivalent plate thickness method can be used in choosing type and rough calculating in primary design. The nonlinear contact method can be used in final calculating and guiding model test.
通过系统仿真，得到色散参量的变化对拉曼放大器的性能影响较大，而非线性系数对其影响较小。
The simulation results show that dispersion has great impact on the performance of fiber Raman amplifiers, while nonlinearity makes little influence on them.
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